/*
 * Copyright (c) 2013, SRI International
 * All rights reserved.
 * Licensed under the The BSD 3-Clause License;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 * 
 * http://opensource.org/licenses/BSD-3-Clause
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the aic-util nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.sri.ai.util.rangeoperation.core;

import com.google.common.annotations.Beta;
import com.sri.ai.util.rangeoperation.api.AggregateOperator;
import com.sri.ai.util.rangeoperation.api.DependencyAwareEnvironment;
import com.sri.ai.util.rangeoperation.api.Range;
import com.sri.ai.util.rangeoperation.api.RangeOperation;

@Beta
public class DefaultRangeOperation<T1, T2> implements RangeOperation<T1, T2> {

	protected AggregateOperator<T1, T2> operator;
	protected Range<T1> range;

	public DefaultRangeOperation(AggregateOperator<T1, T2> operator, Range<T1> range) {
		this.operator = operator;
		this.range = range;
	}

	@Override
	public Range<T1> getRange() {
		return range;
	}

	@Override
	public AggregateOperator<T1, T2> getOperator() {
		return operator;
	}

	@Override
	public void setEnvironment(DependencyAwareEnvironment environment) { 
		getRange().setEnvironment(environment); 
	}
	
	@Override
	public void initialize() { 
		getRange().initialize(); 
	}
	
	@Override
	public boolean hasNext() { 
		return getRange().hasNext(); 
	}
	
	@Override
	public void next()       { 
		getRange().next(); 
	}
}